Karoo Tree Crassula

Taxonomy
Scientific Name
Crassula arborescens (Mill.) Willd. subsp. arborescens
Higher Classification
Dicotyledons
Family
CRASSULACEAE
Synonyms
Cotyledon arborescens Mill., Crassula arborea Medik., Crassula arborescens (Mill.) Willd., Crassula cotyledon Jacq., Crassula cotyledonifolia Salisb.
Common Names
Beesbul (a), Beestebal (a), Beestebul (a), Bull Tacky (e), Jade Plant (e), Karoo Tree Crassula (e), Karoo-beestebal (a)
National Status
Status and Criteria
Least Concern
Assessment Date
2020/11/24
Assessor(s)
W. Foden & L. Potter
Justification
Crassula arborescens subsp. arborescens is widespread and not in danger of extinction. It is listed as Least Concern.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
This species is endemic to South Africa, and is found in the mountains between Worcester and Prince Albert in the Western Cape.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Western Little Karoo, Robertson Karoo, Koedoesberge-Moordenaars Karoo, Prince Albert Succulent Karoo, Eastern Little Karoo, Little Karoo Quartz Vygieveld, South Swartberg Sandstone Fynbos, North Swartberg Sandstone Fynbos, North Langeberg Sandstone Fynbos, Matjiesfontein Quartzite Fynbos, Western Gwarrieveld, Oudshoorn Karroid Thicket, Mons Ruber Fynbos Thicket, Gamka Arid Thicket
Description
It occurs on rocky quartzitic and sandstone slopes, most commonly on north-facing slopes but also in ravines.
Threats
Threats to this subspecies includes habitat degradation.
Population

There is no information available on the population of this species.


Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Crassula arborescens (Mill.) Willd. subsp. arborescens Least Concern Raimondo et al. (2009)
Bibliography

Raimondo, D., von Staden, L., Foden, W., Victor, J.E., Helme, N.A., Turner, R.C., Kamundi, D.A. and Manyama, P.A. 2009. Red List of South African Plants. Strelitzia 25. South African National Biodiversity Institute, Pretoria.


Tölken, H.R. 1985. Crassulaceae. In: O.A. Leistner (ed). Flora of southern Africa 14,1:1-244. Botanical Research Institute, Pretoria.


Vlok, J. and Schutte-Vlok, A.L. 2010. Plants of the Klein Karoo. Umdaus Press, Hatfield.


Citation
Foden, W. & Potter, L. 2020. Crassula arborescens (Mill.) Willd. subsp. arborescens. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14

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Distribution map

© J.H. Vlok/A.L. Schutte-Vlok


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